Home / 55,115,397.20-76,059,243.81-29,997,686.61

Finding the Fourth Proportional to 55,115,397.20, 76,059,243.81 and 29,997,686.61

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Solution

The fourth proportional to 55,115,397.20, 76,059,243.81 and 29,997,686.61 is: 41,396,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,115,397.20 : 76,059,243.81 = 29,997,686.61 : x
  2. Step 2: Convert to fraction form
    55,115,397.20/76,059,243.81 = 29,997,686.61/x
  3. Step 3: Cross multiply
    55,115,397.20x = 76,059,243.81 × 29,997,686.61
  4. Step 4: Simplify right side
    55,115,397.20x = 2,281,601,359,605,962.50
  5. Step 5: Solve for x
    x = 2,281,601,359,605,962.50/55,115,397.20
  6. Step 6: Final answer
    x = 41,396,805.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.